Tools Required

J 22912-B  Split-Plate Bearing Puller

Fig 1: Installing A New Front Bearing On The Countershaft Using J 22912-01
Courtesy of GENERAL MOTORS CORP.
1. Using a hydraulic press and J 22912-B  under the gear, install a new front bearing on the countershaft.
   1. Install the bearing collar race on the countershaft.
   2. Install the bearing assembly with the retaining ring groove forward.
   3. Install the bearing inner race using a suitable press tube.
Fig 2: Identifying Countershaft Front Bearing Retaining Ring
Courtesy of GENERAL MOTORS CORP.
IMPORTANT: The retaining ring is a select fit. Always install a new retaining ring.
2. Select the maximum thickness retaining ring for the countershaft front bearing, that will fit in the groove. Refer to Countershaft Front Bearing Retaining Ring Specifications .
Fig 3: Locating Countershaft Front Bearing Retaining Ring
Courtesy of GENERAL MOTORS CORP.
3. Install the countershaft front bearing retaining ring.